Glauber’s salt, also called Mang Xiao, is a hydrate of sodium sulfate. It is used for medicinal purposes. At 25 ⁰C, Kp for the dehydration of the salt is 4.08 X 10-25. Na2SO4 10H2O (s) ⇌ Na2SO4 (s) + 10 H20 (g) What is the vapor pressure of water in a closed container holding the salt at equilibrium at 25 ⁰C? Briefly explain the effect on the mass of the dehydrated salt of each: a. Adding more sodium b. Reducing the container c. Increasing the partial pressure of water vapor in the d. Adding inert (no reaction) N2 gas to the system

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